<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #biaoti1{
            color: yellow;
        }
        #biaoti2{
            font-size: 250px;
        }
        #duanluo1{
            font-size: 5px;
        }
        *{
            direction: rtl;
        }
        /* *表全部*/
    </style>
</head>
<body>

<h1 id="biaoti1">标题1号</h1>
<h1 id="biaoti2">标题2号</h1>
<p id="duanluo1">段落样式</p>

</body>
</html>